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Approaches towards the asymmetric synthesis of the natural alkaloid palau'amine and diastereoselective formation of 5-vinyl cyclopentenes from 1,6-enynes / Diastereoselective formation of 5-vinyl cyclopentenes from 1,6-enynes

A strategy for the total synthesis of palau'amine is disclosed. The bias of a bicyclic framework is used as a key feature for the enantioselective synthesis of the highly functionalized hexasubstituted cyclopentane core of the molecule. A synthetic approach centering on a tin-catalyzed aldol and a Pauson-Khand reaction is presented. This pathway yielded a penta-substituted cyclopentane ring with four stereocenters positioned and the requisite functionalities to allow for further progress. Installation of the last stereocenter was investigated on a model substrate.

Identiferoai:union.ndltd.org:LACETR/oai:collectionscanada.gc.ca:QMM.36914
Date January 2001
CreatorsDolaine, Regis.
ContributorsGleason, J. L. (advisor)
PublisherMcGill University
Source SetsLibrary and Archives Canada ETDs Repository / Centre d'archives des thèses électroniques de Bibliothèque et Archives Canada
LanguageEnglish
Detected LanguageEnglish
TypeElectronic Thesis or Dissertation
Formatapplication/pdf
CoverageDoctor of Philosophy (Department of Chemistry.)
RightsAll items in eScholarship@McGill are protected by copyright with all rights reserved unless otherwise indicated.
Relationalephsysno: 001810450, proquestno: NQ70007, Theses scanned by UMI/ProQuest.

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